| Louth to Barberino di Mugello | 823.73 mi (1,325.66 km) |
| Louth to Barcellona-Pozzo di Gotto | 1,276.34 mi (2,054.07 km) |
| Louth to Bareggio | 678.02 mi (1,091.17 km) |
| Louth to Barga | 798.69 mi (1,285.37 km) |
| Louth to Bari | 1,152.61 mi (1,854.94 km) |
| Louth to Barletta | 1,123.83 mi (1,808.62 km) |
| Louth to Baronissi | 1,110.86 mi (1,787.75 km) |
| Louth to Barrafranca | 1,297.61 mi (2,088.30 km) |
| Louth to Bassano del Grappa | 741.54 mi (1,193.40 km) |
| Louth to Battipaglia | 1,124.46 mi (1,809.65 km) |
| Louth to Beinasco | 670.19 mi (1,078.57 km) |
| Louth to Bellinzago Novarese | 662.06 mi (1,065.48 km) |
| Louth to Belluno | 737.77 mi (1,187.33 km) |
| Louth to Belmonte Mezzagno | 1,235.31 mi (1,988.04 km) |
| Louth to Belpasso | 1,304.38 mi (2,099.20 km) |
